Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kcc2 win in 3 half-moves
4 Rb1 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Ke1 win in 5 half-moves
7 Ke2 win in 5 half-moves
8 Kc1 win in 7 half-moves
9 Kd1 win in 7 half-moves
10 Kdc2 win in 7 half-moves
11 Kdd3 win in 7 half-moves
12 Rb8 win in 7 half-moves
13 Ke3 win in 9 half-moves
14 Kcd3 draw
15 Ra3 draw
16 Rb2 draw
17 Kc4 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves